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54 lines
2.9 KiB
HTML
54 lines
2.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>TREND Function</title>
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<meta charset="utf-8" />
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<meta name="description" content="" />
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<link type="text/css" rel="stylesheet" href="../../../../../../common/main/resources/help/editor.css" />
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<link type = "text/css" rel = "stylesheet" href = "../../images/sprite.css" />
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<script type="text/javascript" src="../callback.js"></script>
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<script type="text/javascript" src="../../../../../../common/main/resources/help/search/js/page-search.js"></script>
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</head>
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<body>
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<div class="mainpart">
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<div class="search-field">
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<input id="search" class="searchBar" placeholder="Search" type="text" onkeypress="doSearch(event)">
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</div>
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<h1>TREND Function</h1>
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<p>The <b>TREND</b> function is one of the <a href="../UsageInstructions/InsertFunction.htm#statistical" onclick="onhyperlinkclick(this)">statistical functions</a>. It is used to calculate a linear trend line and returns values along it using the method of least squares.</p>
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<h3>Syntax</h3>
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<p><b><em>TREND(known_y’s, [known_x’s], [new_x’s], [const])</em></b></p>
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<p>The <b>TREND</b> function has the following arguments:</p>
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<table style="width: 40%">
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<tr>
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<th style="background-color: #f4f4f4" width="150ch"><b>Argument</b></th>
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<th style="background-color: #f4f4f4"><b>Description</b></th>
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</tr>
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<tr>
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<td><b><em>known_y’s</em></b></td>
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<td>The set of y-values you already know in the <em>y = mx + b</em> equation.</td>
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</tr>
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<tr>
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<td><b><em>known_x’s</em></b></td>
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<td>The optional set of x-values you might know in the <em>y = mx + b</em> equation.</td>
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</tr>
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<tr>
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<td><b><em>new_x’s</em></b></td>
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<td>The optional set of x-values you want y-values to be returned to.</td>
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</tr>
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<tr>
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<td><b><em>const</em></b></td>
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<td>An optional argument. It is a TRUE or FALSE value where TRUE or lack of the argument forces <em>b</em> to be calculated normally and FALSE sets <em>b</em> to 0 in the <em>y = mx + b</em> equation and m-values correspond with the <em>y = mx</em> equation.</td>
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</tr>
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</table>
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<h3>Notes</h3>
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<p>Please note that this is an array formula. To learn more, please read the <a href="../UsageInstructions/InsertArrayFormulas.htm" onclick="onhyperlinkclick(this)">Insert array formulas</a> article.</p>
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<p><a href="../UsageInstructions/InsertFunction.htm#applyfunction" onclick="onhyperlinkclick(this)">How to apply</a> the <b>TREND</b> function.</p>
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<h3>Examples</h3>
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<p>The figure below displays the result returned by the <b>TREND</b> function.</p>
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<p><img alt="TREND Function" src="../images/trend.png" /></p>
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</div>
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</body>
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</html> |